Time Machine - Read Only Error after installing ML

Discussion in 'OS X Mountain Lion (10.8)' started by Sue De Nimes, Jul 27, 2012.

  1. macrumors 6502a

    Sue De Nimes

    Apr 10, 2012
    I just installed ML on my iMac. I am now getting an error with Time Machine.

    It says "Files can't be copied onto the backup disk because it appears to be read only"

    The backup disk is a Seagate Freeagent GoFlex drive I bought from Apple and it is connected over firewire 800.

    Any ideas?

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